CAIE IGCSE Chemistry 6.3.7 Typical Conditions in the Haber Questions
Select and explain the industrial Haber conditions for ammonia production: about 450 °C, high pressure and an iron catalyst.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- state 450 °C, 200 atm or 20 000 kPa, and iron as the Haber process conditions
- combine N2 + 3H2 ⇌ 2NH3 with temperature, pressure and catalyst in one answer
- select the correct iron catalyst and conditions from tables
- connect Haber-process conditions to ammonia and fertiliser manufacture
CAIE IGCSE Chemistry 6.3.7 Typical Conditions in the Haber Questions question 1
[Maximum number: 1]
Ammonia is produced using the Haber process.
Which row shows the source of the raw materials and the reaction conditions?
source of
nitrogen
source of
hydrogen
temperature
1∘C
pressure
/atm
air
hydrocarbons
200
200
hydrocarbons
air
450
2
air
hydrocarbons
450
200
air
hydrocarbons
450
2
C
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